* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; 
}

html, body {
    width: 100%;
    overflow-x: hidden; 
}
body {
    background: radial-gradient(circle at top, #23083e 0%, #000000 100%);
    background-attachment: fixed;
    color: white;
    font-family: 'Segoe UI', sans-serif;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10%;
    height: 80px;
    background-color: rgba(0, 0, 0, 0.9);
    border-bottom: 3px solid #601dc2;
    box-shadow: 0 5px 20px rgba(35, 8, 62, 0.8);
}
.logo {
    font-size: 24px;
    letter-spacing: 2px;
}
.logo span {
    color: #601dc2;
}
nav ul {
    list-style: none;
    display: flex;
    align-items: center; 
    gap: 15px;
}
nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    transition: 0.3s;
}
nav ul li a:hover {
    color: #601dc2;
}
.nav-btn {
    border: 2px solid #601dc2; 
    padding: 8px 20px;
    border-radius: 5px;
    color: white !important;
    background: transparent;
    transition: all 0.3s ease;
    display: inline-block;
}

.nav-btn:hover {
    background-color: #601dc2; 
    color: white !important;
    box-shadow: 0 0 15px #601dc2; 
    transform: translateY(-2px);
}
.hero {
    height: 80vh; 
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative; 
    background-image: url('img/banner\ deneme.jpg'); 
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2; 
}
.highlight {
    color: #601dc2;
    text-shadow: 0 0 20px #601dc2, 0 0 40px #601dc2; 
}
.highlight {
    color: #601dc2;
    text-shadow: 0 0 15px #601dc2;
}
.main-btn {
    background-color: #601dc2;
    color: white;
    border: none;
    padding: 15px 40px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 20px;
    transition: 0.3s;
}
.main-btn:hover {
    background-color: #4a1596;
    transform: scale(1.05);
}
.container {
    padding: 50px 10%;
}

.section-title {
    margin-bottom: 30px;
    border-left: 5px solid #601dc2;
    padding-left: 15px;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.card {
    background-color: #111;
    border: 1px solid #222;
    border-radius: 10px;
    overflow: hidden;
    transition: 0.3s;
}
.card:hover {
    border-color: #601dc2;
    box-shadow: 0 0 15px rgba(96, 29, 194, 0.4);
    transform: translateY(-5px);
}
.card-img {
    height: 180px;
    background: #601dc2;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    opacity: 0.8;
}
.card-body {
    padding: 20px;
}
.card-body h3 {
    color: #601dc2;
    margin-bottom: 10px;
}
.card-link {
    display: inline-block;
    margin-top: 15px;
    color: white;
    text-decoration: underline;
    font-size: 12px;
}
/* --- MOBİL UYUMLULUK AYARLARI (768px ve altı) --- */
@media (max-width: 768px) {
    
    /* Navigasyon (Menü) Ayarı */
    nav {
        padding: 0 5%; /* Kenar boşluklarını azalttık */
        flex-direction: column; /* Logo ve menüyü alt alta getirdik */
        height: auto;
        padding-bottom: 15px;
    }

    .logo {
        margin-top: 15px;
        margin-bottom: 10px;
    }

    nav ul {
        gap: 10px;
        flex-wrap: wrap; /* Menü elemanları sığmazsa alt satıra geçer */
        justify-content: center;
    }

    nav ul li a {
        font-size: 12px; /* Yazıları biraz küçülttük */
    }

    /* Hero (Banner) Bölümü */
    .hero {
        height: 60vh; /* Mobilde çok devasa durmaması için boyunu kısalttık */
        background-attachment: scroll; /* Mobilde sabit arka plan performansı düşürür, normale çektik */
    }

    .hero-content h1 {
        font-size: 1.8rem; /* Başlığı mobilde küçülttük */
        padding: 0 10px;
    }

    .hero-content p {
        font-size: 14px;
        padding: 0 20px;
    }

    /* İçerik Alanı */
    .container {
        padding: 30px 5%; /* Mobilde yan boşlukları azalttık */
    }

    .grid-layout {
        grid-template-columns: 1fr; /* Kartları yan yana değil, tek sütun (alt alta) yaptık */
        gap: 20px;
    }

    .card-img {
        height: 150px; /* Kart görsellerini biraz küçülttük */
    }
}

/* Küçük telefonlar için ekstra dokunuş (480px ve altı) */
@media (max-width: 480px) {
    .nav-btn {
        padding: 5px 12px;
        font-size: 11px;
    }
    
    .main-btn {
        padding: 12px 30px;
        font-size: 14px;
    }
}
/* --- FOOTER TASARIMI --- */
.main-footer {
    background-color: #080808;
    border-top: 2px solid #601dc2;
    padding: 60px 0 20px 0;
    margin-top: 50px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr; /* 3 Sütunlu yapı */
    gap: 40px;
}

.footer-section h3 {
    color: #601dc2;
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-desc {
    color: #a0a0a0;
    font-size: 14px;
    margin: 20px 0;
    line-height: 1.6;
    max-width: 300px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #a0a0a0;
    text-decoration: none;
    transition: 0.3s;
    font-size: 14px;
}

.footer-section ul li a:hover {
    color: #601dc2;
    padding-left: 5px;
}

.footer-socials {
    display: flex;
    gap: 15px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    background: #111;
    border: 1px solid #222;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

.footer-socials a:hover {
    background: #601dc2;
    transform: translateY(-3px);
    box-shadow: 0 0 15px #601dc2;
}

.contact-info li {
    color: #a0a0a0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info i {
    color: #601dc2;
    width: 20px;
}

.footer-bottom {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #1a1a1a;
    color: #555;
    font-size: 12px;
}

/* --- MOBİL İÇİN KOMPAKT FOOTER (768px ve altı) --- */
@media (max-width: 768px) {
    .main-footer {
        padding: 40px 0 20px 0;
    }

    .footer-container {
        /* Sütunları yan yana 2'li hale getirir (Logo tam genişlik, diğerleri yan yana) */
        grid-template-columns: 1fr 1fr; 
        gap: 20px;
        text-align: left; /* Merkezi görünümden kurtulup daha modern bir sola yaslı yapı */
    }

    /* Logo kısmını en üste ve tam genişlik yapalım */
    .footer-section:first-child {
        grid-column: span 2;
        text-align: center;
        border-bottom: 1px solid #222;
        padding-bottom: 20px;
        margin-bottom: 10px;
    }

    .footer-desc {
        margin: 15px auto;
        font-size: 13px;
        max-width: 100%;
    }

    .footer-socials {
        justify-content: center;
    }

    /* Başlıkları ve linkleri küçültelim */
    .footer-section h3 {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .footer-section ul li {
        margin-bottom: 8px;
    }

    .footer-section ul li a, 
    .contact-info li {
        font-size: 12px;
    }

    .footer-bottom {
        margin-top: 30px;
        font-size: 10px;
    }
}